Your squat, measured to honest depth.

How your hip MARKER compares to your knee marker at the bottom. The hip marker sits above your actual hip crease, so around -0.1 here is already near parallel - bigger numbers are deeper. Measured from the side camera.

Your deepest knee bend - smaller is deeper, 180 is standing. Parallel usually lives near 90-100 degrees; very deep is fine.

How your knee spacing compares to your ankle spacing at its narrowest on the way up. Below about 0.85 the knees are caving in - this is THE front-camera read, and if anything it under-calls the fault.

Your feet relative to your shoulders. Around shoulder width and a bit beyond gives the knees room to track out.

How far your torso leans from vertical at the deepest point. Some lean is normal and depends on how you're loaded - folding toward horizontal is what we watch for.

How much your torso angle changes as you start driving up. Near zero or negative means chest and hips rise together; a positive number means the chest dipped first.

Squat to a box or bench set at parallel height. Touch, pause one beat, drive up. The box teaches your body exactly where depth lives.

Hold a weight at your chest, squat to depth, pause 2 full seconds at the bottom staying tall, then stand. The counterweight lets you sit deeper with a proud chest.

Three seconds down, one second pause, one second up. Slow eccentrics build control and expose exactly where your form drifts.

Light band just above the knees; push out against it the whole rep. The band gives your knees a target - out, over the toes, never caving in.